Crash Party USA
To get a secred game to start up instead of Spyro Orange, simply hold the L and R buttons while you turn on the power.
At the game mode screen, press the L and R buttons together to activate the code entry screen.
Password - Effect
V1S10NS - 100 gems (can only be used once per save slot)
SH33P - turns enemies into sheep (will revert upon reset)
SP4RX - turns entire game orange (will revert upon reset)
SPYR0 - turns Spryo orange (will revert upon reset)